Multi-Swing Transient Stability of Synchronous Generators and IBR Combined Generation Systems
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866908915509231616 |
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| author | Yang, Songhao Li, Bingfang Hao, Zhiguo Hu, Yiwen Xie, Huan Zhao, Tianqi Zhang, Baohui |
| author_facet | Yang, Songhao Li, Bingfang Hao, Zhiguo Hu, Yiwen Xie, Huan Zhao, Tianqi Zhang, Baohui |
| contents | In traditional views, the build-up of accelerating energy during faults can cause the well-known first-swing angle instability in synchronous generators (SGs). Interestingly, this letter presents a new insight that the accumulation of decelerating energy due to the low voltage ride-through (LVRT) and recovery control of grid-following inverter-based resources (GFL-IBRs), might also result in transient angle instability in SGs. The transient energy accumulated during angle-decreasing swing transforms into the acceleration energy of the subsequent swing, hence such phenomena often manifest as multi-swing instability. Both theoretical analysis and simulation support these findings. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_25167 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Multi-Swing Transient Stability of Synchronous Generators and IBR Combined Generation Systems Yang, Songhao Li, Bingfang Hao, Zhiguo Hu, Yiwen Xie, Huan Zhao, Tianqi Zhang, Baohui Systems and Control In traditional views, the build-up of accelerating energy during faults can cause the well-known first-swing angle instability in synchronous generators (SGs). Interestingly, this letter presents a new insight that the accumulation of decelerating energy due to the low voltage ride-through (LVRT) and recovery control of grid-following inverter-based resources (GFL-IBRs), might also result in transient angle instability in SGs. The transient energy accumulated during angle-decreasing swing transforms into the acceleration energy of the subsequent swing, hence such phenomena often manifest as multi-swing instability. Both theoretical analysis and simulation support these findings. |
| title | Multi-Swing Transient Stability of Synchronous Generators and IBR Combined Generation Systems |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2603.25167 |